Section A: Basic to Advanced Nouns (1–20)

1. analysis → ______
2. basis → ______
3. crisis → ______
4. thesis → ______
5. axis → ______
6. oasis → ______
7. syllabus → ______
8. radius → ______
9. fungus → ______
10. cactus → ______
11. focus → ______
12. nucleus → ______
13. campus → ______
14. census → ______
15. apparatus → ______
16. stimulus → ______
17. genus → ______
18. species → ______
19. curriculum → ______
20. medium → ______

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🔄 Section B: Classical & Irregular Forms (21–40)

21. man → ______
22. woman → ______
23. child → ______
24. foot → ______
25. tooth → ______
26. mouse → ______
27. goose → ______
28. louse → ______
29. ox → ______
30. person → ______
31. deer → ______
32. sheep → ______
33. fish → ______
34. aircraft → ______
35. series → ______
36. species → ______
37. data → ______
38. formula → ______
39. phenomenon → ______
40. criterion → ______

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🧩 Section C: Latin / Greek Endings (41–60)

41. alumnus → ______
42. alumni → ______
43. bacterium → ______
44. bacteria → ______
45. criterion → ______
46. criteria → ______
47. medium → ______
48. media → ______
49. curriculum → ______
50. curricula → ______
51. memorandum → ______
52. memoranda → ______
53. datum → ______
54. data → ______
55. appendix → ______
56. appendices → ______
57. index → ______
58. indices → ______
59. analysis → ______
60. analyses → ______

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✍️ Section D: Change the sentence (61–75)

61. The man is reading. → __________________
62. The child is playing. → __________________
63. The mouse is hiding. → __________________
64. The goose is swimming. → __________________
65. The ox is strong. → __________________
66. The leaf is green. → __________________
67. The cactus is tall. → __________________
68. The fungus is growing. → __________________
69. The crisis is serious. → __________________
70. The basis is strong. → __________________
71. The person is late. → __________________
72. The deer is running. → __________________
73. The fish is swimming. → __________________
74. The formula is correct. → __________________
75. The analysis is complete. → __________________

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🎯 Section E: Choose Correct Plural (76–90)

76. analysis → (analyses/analysises)
77. crisis → (crises/crisis)
78. axis → (axes/axises)
79. fungus → (fungi/funguses)
80. cactus → (cacti/cactuses)
81. medium → (media/mediums)
82. criterion → (criteria/criterions)
83. phenomenon → (phenomena/phenomenons)
84. radius → (radii/radiuses)
85. syllabus → (syllabi/syllabuses)
86. index → (indices/indexes)
87. appendix → (appendices/appendixes)
88. datum → (data/datums)
89. bacterium → (bacteria/bacteriums)
90. curriculum → (curricula/curriculums)

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🧠 Section F: Mixed Challenge (91–100)

91. One criterion, many ______
92. One analysis, many ______
93. One fungus, many ______
94. One cactus, many ______
95. One alumnus, many ______
96. One medium, many ______
97. One datum, many ______
98. One child, many ______
99. One mouse, many ______
100. One goose, many ______

Answer Key (Tab Form)

🧠 Section A: Advanced Nouns (1–20)

Q	Answer	Q	Answer
1	analyses	11	foci
2	bases	12	nuclei
3	crises	13	campuses
4	theses	14	censuses
5	axes	15	apparatuses
6	oases	16	stimuli
7	syllabi	17	genera
8	radii	18	species
9	fungi	19	curricula
10	cacti	20	media

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🔄 Section B: Irregular Forms (21–40)

Q	Answer	Q	Answer
21	men	31	deer
22	women	32	sheep
23	children	33	fish
24	feet	34	aircraft
25	teeth	35	series
26	mice	36	species
27	geese	37	data
28	lice	38	formulae
29	oxen	39	phenomena
30	people	40	criteria

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🧩 Section C: Latin / Greek Forms (41–60)

Q	Answer	Q	Answer
41	alumni	51	memoranda
42	alumni	52	memoranda
43	bacteria	53	data
44	bacteria	54	data
45	criteria	55	appendices
46	criteria	56	appendices
47	media	57	indices
48	media	58	indices
49	curricula	59	analyses
50	curricula	60	analyses

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✍️ Section D: Sentence Change (61–75)

Q	Answer
61	The men are reading.
62	The children are playing.
63	The mice are hiding.
64	The geese are swimming.
65	The oxen are strong.
66	The leaves are green.
67	The cacti are tall.
68	The fungi are growing.
69	The crises are serious.
70	The bases are strong.
71	The people are late.
72	The deer are running.
73	The fish are swimming.
74	The formulas are correct.
75	The analyses are complete.

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🎯 Section E: Choose Correct Plural (76–90)

Q	Answer	Q	Answer
76	analyses	83	phenomena
77	crises	84	radii
78	axes	85	syllabi
79	fungi	86	indices
80	cacti	87	appendices
81	media	88	data
82	criteria	89	bacteria
90	curricula

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🧠 Section F: Mixed Challenge (91–100)

Q	Answer
91	criteria
92	analyses
93	fungi
94	cacti
95	alumni
96	media
97	data
98	children
99	mice
100	geese